Home / 161,986.66-223,513.91-93,988.04

Finding the Fourth Proportional to 161,986.66, 223,513.91 and 93,988.04

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Solution

The fourth proportional to 161,986.66, 223,513.91 and 93,988.04 is: 129,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,986.66 : 223,513.91 = 93,988.04 : x
  2. Step 2: Convert to fraction form
    161,986.66/223,513.91 = 93,988.04/x
  3. Step 3: Cross multiply
    161,986.66x = 223,513.91 × 93,988.04
  4. Step 4: Simplify right side
    161,986.66x = 21,007,634,402.48
  5. Step 5: Solve for x
    x = 21,007,634,402.48/161,986.66
  6. Step 6: Final answer
    x = 129,687.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.